APA (7e ed.) Bronvermelding

Phillips, R., & Salt, E. M. (1937). American government and its problems. Houghton Mifflin company.

Chicago (17e ed.) Bronvermelding

Phillips, Robert, en Edward McChesney Salt. American Government and Its Problems. Boston, New York [etc.]: Houghton Mifflin company, 1937.

MLA (9e ed.) Bronvermelding

Phillips, Robert, en Edward McChesney Salt. American Government and Its Problems. Houghton Mifflin company, 1937.